498988729 has 2 divisors, whose sum is σ = 498988730. Its totient is φ = 498988728.

The previous prime is 498988717. The next prime is 498988739. The reversal of 498988729 is 927889894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 498316329 + 672400 = 22323^2 + 820^2 .

It is a cyclic number.

It is not a de Polignac number, because 498988729 - 2¹⁷ = 498857657 is a prime.

It is not a weakly prime, because it can be changed into another prime (498988739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249494364 + 249494365.

It is an arithmetic number, because the mean of its divisors is an integer number (249494365).

Almost surely, 2^498988729 is an apocalyptic number.

It is an amenable number.

498988729 is a deficient number, since it is larger than the sum of its proper divisors (1).

498988729 is an equidigital number, since it uses as much as digits as its factorization.

498988729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888, while the sum is 64.

The square root of 498988729 is about 22338.0556226365. The cubic root of 498988729 is about 793.1650672760.

The spelling of 498988729 in words is "four hundred ninety-eight million, nine hundred eighty-eight thousand, seven hundred twenty-nine".